440213214 has 64 divisors (see below), whose sum is σ = 1055370240. Its totient is φ = 119750400.

The previous prime is 440213209. The next prime is 440213227. The reversal of 440213214 is 412312044.

It is a super-3 number, since 3×440213214³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86439 + ... + 91389.

It is an arithmetic number, because the mean of its divisors is an integer number (16490160).

Almost surely, 2^440213214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440213214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527685120).

440213214 is an abundant number, since it is smaller than the sum of its proper divisors (615157026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440213214 is a wasteful number, since it uses less digits than its factorization.

440213214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 440213214 is about 20981.2586371743. The cubic root of 440213214 is about 760.7133272688.

Adding to 440213214 its reverse (412312044), we get a palindrome (852525258).

The spelling of 440213214 in words is "four hundred forty million, two hundred thirteen thousand, two hundred fourteen".